# Python IDE & Jupyter vs MDViewer

The clearest difference is review sentiment: MDViewer at 100% against Python IDE & Jupyter's 59%. MDViewer also leads on in-app purchases (none vs 1) and update cadence (every 3 days vs every 9 days). Python IDE & Jupyter's advantage is chart position (#70 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Python IDE & Jupyter sells 1 one-off in-app purchase. MDViewer asks for nothing beyond the download.

Python IDE & Jupyter ships an update every 9 days, MDViewer every 3 days. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Python IDE & Jupyter | MDViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/python-ide-and-jupyter-juno/id1462586500/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 59.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Freemium | **Free** |
| Best chart rank | **#70** | — |
| Size | 991 MB | 8 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rational Matter](https://appshunter.io/developer/1315744136) | [Crocopliers](https://appshunter.io/developer/1896397771) |

## What reviewers say

### Python IDE & Jupyter

[App page](https://appshunter.io/ios/app/python-ide-and-jupyter-juno/id1462586500)

**Currently charting:** #70 Top Grossing · Developer Tools, #151 Top Free · Developer Tools (US App Store)

This app provides a full-featured Python coding environment for mobile devices. It supports both Python scripts and Jupyter notebooks, offering offline execution, code completion, and access to popular data science libraries.

**Highlights:** Python script and Jupyter notebook support, Offline code execution, Code completion and console, File and folder navigation, Data science library integration, Package management

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Juno Pro Unlock | $39.99 | one-time |

**What reviewers like**

- 🚀 Powerful Python app for iPhone and iPad
- 🚀 Excellent for data science and machine learning
- 🚀 Impressive Jupyter notebook performance
- 👍 Sleek and elegant interface
- 👍 Convenient for on-the-go coding

**What reviewers complain about**

- 🔒 Requires paid subscription to access full functionality
- 🐛 Crashes frequently, especially when switching apps
- 🐛 Buggy behavior with external file storage
- 🐛 Inability to install many required packages
- 🐛 Outdated Python version (3.6)

**Reported bugs**

- Crashes when running certain code or opening files
- Unreliable file management and syncing
- Compatibility issues with newer iOS versions

**Requested features**

- Add support for more Python libraries and frameworks (e.g., TensorFlow, Keras, Scikit-learn)
- Improve integration with external file storage (Google Drive, Dropbox, etc.)
- Implement cell collapsing and text size adjustment
- Add an interactive REPL terminal


### MDViewer

[App page](https://appshunter.io/ios/app/mdviewer-quick-markdown/id6809376439)

Instantly view Markdown, Mermaid diagrams, and JSON files with this native iOS app. It offers syntax highlighting for over 180 languages, LaTeX math rendering, and PDF export. Your documents remain private and accessible offline.

**Highlights:** Markdown viewing with GFM support, Mermaid diagram rendering, Syntax highlighting for 180+ languages, LaTeX math formula support, Interactive JSON viewer, PDF export, Offline functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Python IDE & Jupyter free?

Python IDE & Jupyter is free to download, with in-app purchases available.

### Is MDViewer free?

MDViewer is free to download, with no in-app purchases.

### Do Python IDE & Jupyter or MDViewer have ads?

Neither Python IDE & Jupyter nor MDViewer shows ads.

### Which is updated more often, Python IDE & Jupyter or MDViewer?

Python IDE & Jupyter ships an update every 9 days, and MDViewer every 3 days. Most recently, Python IDE & Jupyter was updated on October 14, 2026 and MDViewer on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*